General Species Information:Found in the Adelaide HillsThis species is in the Grisella GroupAccording to fia-3-basidio-agarico-I.pdf "The species in this group are difficult to separate using macroscopic features"We were able to monitor this specimen daily to record it's rapid growth, as well as see the earlier stages of the one next to it once the first was found.As such, the photo's are in chronological order.Unusually (compared to other mushrooms we've found), this one wasn't eaten by springtails. So many other species we saw one day and were gone the next.